Hi. So, I'm having problems figuring out this problem. For a, the furthest I got up to was and i'm not even sure that's right. Some help would be appreciated.
Hi. So, I'm having problems figuring out this problem. For a, the furthest I got up to was and i'm not even sure that's right. Some help would be appreciated.
Hi. So, I'm having problems figuring out this problem. For a, the furthest I got up to was and i'm not even sure that's right. Some help would be appreciated.
Thanks!
(a) is a direct application of the cosine rule: .
(b) .... (1)
.... (1)
.... (2)
From (2) get . From get . Now use (1) to solve for .